Playwright Utils: Silence some of the warnings coming from Firefox

[Mamaduka]

What?

PR updates the observeConsoleLogging method to silence some common warnings and avoid displaying them in the terminal.

Note: Warnings are still displayed when running tests in UI mode.

Why?

The change reduces the noise in CI and local reports.

Testing Instructions

Running the following command shouldn't display warnings in the terminal.

npm run test:e2e -- -g "can undo asterisk transform" --project=firefox

Screenshot

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Co-authored-by: Mamaduka <[email protected]>
Co-authored-by: swissspidy <[email protected]>

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[Mamaduka]

@swissspidy, should we merge this as it is?